:root {
  --bg-image: url('bidang 8 images/bidang8.jpg');
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Times New Roman', Times, serif;
  color: #ffffff;
  background: var(--bg-image) center/cover fixed no-repeat;
}

/* Layout utama */
.container {
  display: flex;
  height: 100vh;
}

.sidebar {
  width: 25%;
  max-width: 300px;
  background: #66428a;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 20px;
}

.logo-btn {
  background: none;
  border: none;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.logo-btn:hover {
  transform: scale(1.05);
}

.logo-btn img {
  height: 250px;
  width: auto;
  border-radius: 15px;
}

.content {
  width: calc(100% - 25%);
  background: transparent;
  padding: 20px;
  overflow-y: auto;
  text-align: center;
}

/* Mobile Header */
.mobile-header {
  display: none;
  align-items: center;
  justify-content: space-between;
  background: #66428a;
  padding: 6px 14px;
  position: sticky;
  top: 0;
  z-index: 850;
}

.mobile-logo {
  height: 40px;
}

.hamburger {
  width: 32px;
  height: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger span {
  height: 3px;
  background: #fff;
  border-radius: 3px;
  display: block;
  transition: transform 0.3s ease;
}

.hamburger:hover span {
  background: #e0e0e0;
}

/* Overlay dan Side-panel */
.panel-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
  z-index: 900;
}

.panel-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.side-panel {
  position: fixed;
  top: 0;
  left: 0;
  width: 320px;
  height: 100vh;
  background: #543572;
  color: #fff;
  padding: 28px 24px;
  transform: translateX(-100%);
  transition: transform 0.4s ease-out;
  z-index: 1000;
  overflow-y: auto;
  box-shadow: 2px 0 20px rgba(0,0,0,0.3);
}

.side-panel.show {
  transform: translateX(0);
}

.close-panel {
  position: absolute;
  top: 14px;
  left: 14px;
  background: none;
  border: none;
  font-size: 24px;
  color: #fff;
  cursor: pointer;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s ease;
}

.close-panel:hover {
  background-color: rgba(255,255,255,0.1);
}

.panel-content {
  margin-top: 50px;
  text-align: left;
}

.panel-logo {
  width: 180px;
  margin: 0 auto 18px;
  border-radius: 12px;
  display: block;
}

.side-panel h2 {
  margin: 16px 0 8px;
  font-family: 'Poppins', sans-serif;
  color: #ffffff;
}

.side-panel ul {
  list-style: disc;
  padding-left: 20px;
}

.side-panel li {
  margin-bottom: 6px;
}

/* ================= CARD PERSON ================= */
.card-person {
  position: relative;
  background: #80679c;
  color: #fff;
  border-radius: 20px;
  padding: 18px 20px;
  width: 100%;
  max-width: 400px;
  margin: 15px auto 30px;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  overflow: hidden;
  z-index: 1;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

/* Efek hover dengan overlay gelap yang lebih lembut */
.card-person::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.25);
  opacity: 0;
  transition: opacity 0.25s ease;
  border-radius: inherit;
  z-index: 1;
}

.card-person:hover::after {
  opacity: 1;
}

.card-person:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

.card-person.animating {
  pointer-events: none;
}

/* CARD HEADER & ANIMASI PENUTUP */
.card-header {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  transition: opacity 0.3s ease;
}

.card-header img {
  width: 180px;
  height: 200px;
  border-radius: 12px;
  object-fit: cover;
}

.person-name {
  font-family: 'Poppins', sans-serif;
  font-size: 18px;
  font-weight: 600;
  text-align: center;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.card-person.open .card-header {
  opacity: 0;
}

/* Animasi transisi ungu GELAP dari bawah */
.card-overlay-transition {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #2c1a3a, #3d2752, #4a2d5f);
  z-index: 5;
  transform: translateY(100%);
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 20px;
  box-shadow: inset 0 0 30px rgba(0,0,0,0.4);
}

.card-person.open .card-overlay-transition {
  transform: translateY(0);
}

/* PENJELASAN dengan background yang kontras */
.card-body {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #3d2752, #4a2d5f, #5c3870);
  border-radius: 20px;
  padding: 20px;
  text-align: left;
  font-size: 15px;
  line-height: 1.45;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  z-index: 6;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: inset 0 0 20px rgba(0,0,0,0.3);
}

.card-person.show-content .card-body {
  opacity: 1;
  pointer-events: auto;
}

.card-body a {
  color: #e6d7ff;
  text-decoration: underline;
  transition: color 0.3s ease;
  font-weight: 500;
}

.card-body a:hover {
  color: #f0e8ff;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.card-body p {
  margin-bottom: 10px;
  color: #f5f5f5;
}

.card-body strong {
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

/* Judul Bagian */
.koordinator,
.anggota {
  margin-bottom: 40px;
  text-align: center;
}

.koordinator h2,
.anggota h2 {
  margin-bottom: 12px;
  color: #ffffff;
  font-family: 'Poppins', sans-serif;
  font-size: 28px;
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

/* Grid */
.anggota-list {
  display: grid;
  gap: 20px;
  justify-items: center;
  grid-template-columns: repeat(4, 1fr);
}

/* Tombol Kembali */
.back-button {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 1200;
  transition: 0.3s;
}

.btn-back {
  background: linear-gradient(135deg, #543572, #6d4c93);
  color: #fff;
  border: none;
  border-radius: 30px;
  padding: 12px 20px;
  font-size: 16px;
  cursor: pointer;
  font-family: 'Poppins', sans-serif;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
}

.btn-back:hover {
  background: linear-gradient(135deg, #402959, #5d3b7d);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.back-button.hide {
  opacity: 0;
  pointer-events: none;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 768px) {
  .mobile-header {
    display: flex;
  }
  
  .sidebar {
    display: none;
  }
  
  .content {
    width: 100%;
    padding: 15px;
  }
  
  .card-header img {
    width: 140px;
    height: 160px;
  }
  
  .anggota-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }
  
  .card-person {
    max-width: 300px;
    padding: 15px;
  }

  .back-button {
    left: 15px;
    bottom: 15px;
  }
  
  .btn-back {
    padding: 10px 16px;
    font-size: 14px;
  }

  .side-panel {
    left: auto;
    right: 0;
    width: 82%;
    transform: translateX(100%);
  }
  
  .side-panel.show {
    transform: translateX(0);
  }
  
  .close-panel {
    left: auto;
    right: 14px;
  }

  .koordinator h2,
  .anggota h2 {
    font-size: 24px;
  }
}

@media (max-width: 480px) {
  .anggota-list {
    grid-template-columns: 1fr;
  }
  
  .card-person {
    max-width: 350px;
  }

  .card-body {
    font-size: 14px;
    padding: 18px;
  }
}